CompTIA Network+ (N10-007) — Question 650

Which of the following should a technician use to keep the STP topology predictable and consistent?

Answer options

• A. Root guard
• B. Flood guard
• C. Dynamic ARP inspection
• D. Ingress ACLs

Correct answer: A

Explanation

Root guard is utilized to maintain a stable STP topology by preventing unwanted switches from becoming the root bridge. The other options, while useful for different purposes, do not specifically address the consistency and predictability of the STP topology.